Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Located in Sukagawa, Fukushima, Fujinuma Onsen Yamayuriso is a traditional onsen fed by sodium-chloride water. The water emerges at around 40°C. Facilities include an indoor bath, an open-air bath (rotenburo) and a sauna.
Insider tip — A mountain-lily inn (yamayuriso) with onsen in Sukagawa, Fukushima — a city once devastated by the 2011 earthquake but today thriving again. Named for the wild yamayuri lily that blooms across Fukushima's hillsides in summer. A peaceful rural retreat.